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Table 1 Distribution and prevalence of footpad lesions in broiler breeders dying from non-outbreak related mortality in relation to age and flock

From: Correlation between footpad lesions and systemic bacterial infections in broiler breeders

Overall foot health1

Age interval (n = 919)2

Total

Flock (n = 924)

Total

20–29

30–39

40–49

50-

A

B

C

D

No lesions

 Count

89a

111b

87c

54c

341

70a

82ab

129b

63a

344

 % within age interval/flock

66.9

40.5

29.9

24.4

37.1

32.7

36.6

45.7

30.9

37.2

 % of total

9.7

12.1

9.5

5.9

37.1

7.6

8.9

14.0

6.8

37.2

Lesions

 Count

44a

163b

204c

167c

578

144a

142ab

153b

141a

580

 % within age interval/flock

33.1

59.5

70.1

75.6

62.9

67.3

63.4

54.3

69.1

62.8

 % of total

4.8

17.7

22.2

18.2

62.9

15.6

15.4

16.6

15.3

62.8

  1. 1Different superscript letter denotes a subset of Age interval or Flock categories whose column proportions differ significantly from each other at the .05 level.
  2. 2Date of death was not registered for five birds, therefore no age could be calculated.